研究室年間計画発表会 & 5/7 〜 16 の輪読

5/9, 16 には生物制御化学研究室と化学生態学研究室合同の年間計画発表会を開催しました．今年度は大学院生 7 名，学部 7 名のメンバーです．

5/7 〜 16 の輪読では下記の論文を取り上げました．

1478. Liang, T., Yang, Y., and Liu, H. (2019). Signal transduction mediated by the plant UV-B photoreceptor UVR8. New Phytol. 221: 1247–1252.

1479. Moreno-Pedraza, A. et al. (2019). Elucidating the distribution of plant metabolites from native tissues with laser desorption low-temperature plasma mass spectrometry imaging. Anal. Chem. 91: 2734–2743.

1480. Chandran, V. et al. (2019). miR396-OsGRFs module balances growth and rice blast disease-resistance. Front. Plant Sci. 9: 1999.

1481. Ma, S. et al. (2019). Differential expression proteins contribute to race-specific resistant ability in rice (Oryza sativa L.). Plants 8: 29.

1482. Murata, M. et al. (2019). Loliolide, a carotenoid metabolite, is a potential endogenous inducer of herbivore resistance. Plant Physiol. 179: 1822–1833.

1483. Han, Y. et al. (2019). Magnaporthe chitinase interacts with a rice jacalin-related lectin to promote host colonization. Plant Physiol. 179: 1416–1430.

ゴールデンウィーク & 今週の輪読

明日からゴールデンウィークです．大学によっては授業回数を確保するために 10 連休にならないところも結構あるようですが，茨城大学は暦通りの 10 連休になります．

今週の輪読では下記の論文を取り上げました．

1475. Berens, M.L. et al. (2019). Balancing trade-offs between biotic and abiotic stress responses through leaf age-dependent variation in stress hormone cross-talk. Proc. Natl. Acad. Sci. USA 116: 2364–2373.

1476. Agostini, R.B. et al. (2019). Long-lasting primed state in maize plants: salicylic acid and steroid signaling pathways as key players in the early activation of immune responses in silks. Mol. Plant Microbe Interact. 32: 95–106.

1477. Engelberth, J. and Engelberth, M. (2019). The costs of green leaf volatile-induced defense priming: temporal diversity in growth responses to mechanical wounding and insect herbivory. Plants 8: 23.

今週の輪読

今週の輪読では下記の論文を取り上げました．

1471. Varsani, S. et al. (2019). 12-Oxo-phytodienoic acid acts as a regulator of maize defense against corn leaf aphid. Plant Physiol. 179: 1402–1415.

1472. Ma, W., Zhao, L., Zhao, W., and Xie, Y. (2019). (E)-2-Hexenal, as a potential natural antifungal compound, inhibits Aspergillus flavus spore germination by disrupting mitochondrial energy metabolism. J. Agric. Food Chem. 67: 1138–1145.

1473. Han, X. et al. (2019). A kiwellin disarms the metabolic activity of a secreted fungal virulence factor. Nature 565: 650–653.

1474. Seto, Y. et al. (2019). Strigolactone perception and deactivation by a hydrolase receptor DWARF14. Nat. Commun. 10: 191.

日本農芸化学会，卒業式，新年度，3/14 〜 4/11 の輪読

年度末および年度初めのドタバダでしばらく更新していませんでした．

3/24 に東京農業大学世田谷キャンパスで開催された日本農芸化学会 2019 年度大会において，修士課程の隠塚君が下記の発表を行いました．

1D5p10 ○隠塚修平，木村塁，香川明慶，西脇萌，戸嶋浩明，長谷川 守文（茨城大・農）
「イネのアミド型ファイトアレキシンの病原真菌による代謝」

隠塚君は昨年の農薬学会以来二回目の学会発表でした．会場からの質問にもまずまず落ち着いて答えられていたようです．

3/26 は茨城大学の卒業式でした．生物制御化学研究室からは修士課程学生 1 名修了，学部学生 4 名（うち 3 名が修士課程進学）が卒業しました．

新年度の生物制御化学研究室は修士課程学生 6 名（うち 1 名はインドネシア・ガジャマダ大学からのダブルディグリープログラム所属学生），学部学生 4 名の計 10 名の学生でスタートです．教員は戸嶋先生の学部長，長谷川の学科長の任期 2 年目になります．

3/14 〜 4/11 の輪読では下記の論文を取り上げました．

1460. Yang, C. et al. (2019). Binding of the Magnaporthe oryzae chitinase MoChia1 by a rice tetratricopeptide repeat protein allows free chitin to trigger immune responses. Plant Cell 31: 172–188.

1461. Augustijn, D., Tol, N.V., van der Zaal, B.J., de Groot, H.J.M., and Alia, A. (2019). High-resolution magic angle spinning NMR studies for metabolic characterization of Arabidopsis thaliana mutants with enhanced growth characteristics. PLOS ONE 13: e0209695.

1462. Cao, W.-L. et al. (2019). OsSYP121 accumulates at fungi penetration sites and mediates host resistance to rice blast. Plant Physiol. 179: 1330–1342.

1463. Irieda, H. et al. (2019). Conserved fungal effector suppresses PAMP-triggered immunity by targeting plant immune kinases. Proc. Natl. Acad. Sci. USA 116: 496–505.

1464. Mareya, R.C. et al. (2019). Untargeted metabolomics reveal defensome-related metabolic reprogramming in Sorghum bicolor against infection by Burkholderia andropogonis. Metabolites 9: 8.

1465. Fischer, W., Currais, A., Liang, Z., Pinto, A., and Maher, P. (2019). Old age-associated phenotypic screening for Alzheimer’s disease drug candidates identifies sterubin as a potent neuroprotective compound from Yerba santa. Redox Biol. 21: 101089.

1466. Ma, F., Yao, W., Wang, L., and Wang, Y. (2019). Dynamic translocation of stilbene synthase VpSTS29 from a Chinese wild Vitis species upon UV irradiation. Phytochemistry 159: 137–147.

1467. Wei, Y. et al. (2018). VvWRKY8 represses stilbene synthase genes through direct interaction with VvMYB14 to control resveratrol biosynthesis in grapevine. J. Exp. Bot. 70: 715–729.

1468. Ahmad, A., Xuan, T.D., Minh, T.N., Siddiqui, N.A., and Van Quan, N. (2019). Comparative extraction and simple isolation improvement techniques of active constituents’ momilactone A and B from rice husks of Oryza sativa by HPLC analysis and column chromatography. Saudi Pharm. J. 27: 17–24.

1469. Hou, Y. et al. (2019). A Phytophthora effector suppresses trans-kingdom RNAi to promote disease susceptibility. Cell Host Microbe 25: 153–165.e5.

1470. Li, Y. et al. (2019). Osa-miR398b boosts H2O2 production and rice blast disease-resistance via multiple superoxide dismutases. New Phytol. 222: 1507–1522.

2/26 〜 3/8 の輪読

卒論発表も終わり，M1 の学生は就職活動も始まったので，輪読が毎日は開催できなくなりましたが，2/26 〜 3/8 の輪読では下記の論文を取り上げました．

1455. Kozłowska, J., Grela, E., Baczyńska, D., Grabowiecka, A., and Anioł, M. (2019). Novel O-alkyl derivatives of naringenin and their oximes with antimicrobial and anticancer activity. Molecules 24: 679.

1456. John Lilly, J. and Subramanian, B. (2019). Gene network mediated by WRKY13 to regulate resistance against sheath infecting fungi in rice (Oryza sativa L.). Plant Sci. 280: 269–282.

1457. Zhou, S. et al. (2019). Ethylene signaling regulates natural variation in the abundance of antifungal acetylated diferuloylsucroses and Fusarium graminearum resistance in maize seedling roots. New Phytol. 221: 2096–2111.

1458. Xu, H.-X. et al. (2019). A salivary effector enables whitefly to feed on host plants by eliciting salicylic acid-signaling pathway. Proc. Natl. Acad. Sci. USA 116: 490–495.

1459. Tezuka, D. et al. (2019). The rice ethylene response factor OsERF83 positively regulates disease resistance to Magnaporthe oryzae. Plant Physiol. Biochem. 135: 263–271.

卒業論文発表会 & 2/18 〜 22 の輪読

資源生物科学科卒業論文発表会が 2/18, 19 に開催されました．生物制御化学研究室からは下記の 4 名の発表がありました．

佐藤 朗「環状構造導入型KODA誘導体に関する研究」
岡田 宜義「エステル型及びアミド型KODA類縁体に関する研究」
木村 塁「イネ病原菌によるアミド型フィトアレキシンの代謝に関する研究」
早川 優介「イネの根における新規ファイトアレキシンの探索」

終了後に行われた旧農業化学生態学系の研究室での打ち上げでの投票で木村君の発表が第 2 位に選ばれました．

2/18 〜 22 の輪読では下記の論文を取り上げました．

1451. Nanda, S. et al. (2018). Differential responses of OsMPKs in IR56 rice to two BPH populations of different virulence levels. Int. J. Mol. Sci. 19: 4030.

1452. Hui, S. et al. (2019). The group I GH3 family genes encoding JA-Ile synthetase act as positive regulator in the resistance of rice to Xanthomonas oryzae pv. oryzae. Biochem. Biophys. Res. Commun. 508: 1062–1066.

1453. Brown, G.D., Bauer, J., Osborn, H.M.I., and Kuemmerle, R. (2018). A solution NMR approach to determine the chemical structures of carbohydrates using the hydroxyl groups as starting points. ACS Omega 3: 17957–17975.

1454. Dangol, S., Chen, Y., Hwang, B.K., and Jwa, N.-S. (2018). Iron- and reactive oxygen species-dependent ferroptotic cell death in rice-Magnaporthe oryzae interactions. Plant Cell in press.

修士論文発表会 & 1/28 〜 2/15 の輪読

今年度から茨城大学大学院農学研究科は従来の 3 専攻から農学専攻の 1 専攻に代わり，その中に 3 つのコースに分かれるという体制になっています．生物制御化学研究室は実践農食科学コースに所属していますが，このコースは従来の資源生物科学専攻と生物生産科学専攻の動物科学専門分野が一緒になったものです．修士論文発表会はコース単位で開催されることになり，今年度は 2/13, 14 の 2 日間で 20 名の学生の発表がありました．生物制御化学研究室からは大垣凱君が「Copalyl diphosphate を中間体とするジテルペンに関する研究」というタイトルで発表を行いました．

1/28 〜 2/15 の輪読では下記の論文を取り上げました．

1440. Jun, J.H., Xiao, X., Rao, X., and Dixon, R.A. (2018). Proanthocyanidin subunit composition determined by functionally diverged dioxygenases. Nat. Plants 4: 1034–1043.

1441. Nishina, A. et al. (2019). Antidiabetic-like effects of naringenin-7-O-glucoside from edible Chrysanthemum ‘Kotobuki’ and naringenin by activation of the PI3K/Akt pathway and PPARγ. Chem. Biodiversity 16: e1800434.

1442. Yuan, J., Zhang, B., Wang, C., and Brüschweiler, R. (2018). Carbohydrate background removal in metabolomics samples. Anal. Chem. 90: 14100–14104.

1443. de Bruijn, W.J.C., van Dinteren, S., Gruppen, H., and Vincken, J.-P. (2019). Mass spectrometric characterisation of avenanthramides and enhancing their production by germination of oat (Avena sativa). Food Chem. 277: 682–690.

1444. Rinkel, J., Lauterbach, L., and Dickschat, J.S. (2019). A branched diterpene cascade: the mechanism of spinodiene synthase from Saccharopolyspora spinosa. Angew. Chem. Int. Ed. 58: 452–455.

1445. Cecchini, N.M. et al. (2019). Underground azelaic acid-conferred resistance to Pseudomonas syringae in Arabidopsis. Mol. Plant Microbe Interact. 32: 86–94.

1446. Asai, S. et al. (2018). A downy mildew effector evades recognition by polymorphism of expression and subcellular localization. Nat. Commun. 9: 5192.

1447. Uraguchi, D. et al. (2018). A femtomolar-range suicide germination stimulant for the parasitic plant Striga hermonthica. Science 362: 1301–1305.

1448. Wei, G. et al. (2019). Terpene biosynthesis in red algae is catalyzed by microbial type but not typical plant terpene synthases. Plant Physiol. 179: 382–390.

1449. Zhang, L., Paasch, B.C., Chen, J., Day, B., and He, S.Y. An important role of L-fucose biosynthesis and protein fucosylation genes in Arabidopsis immunity. New Phytol. in press.

1450. Pedras, M.S.C., Abdoli, A., To, Q.H., and Thapa, C. Ecological roles of tryptanthrin, indirubin and N-formylanthranilic acid in Isatis indigotica: phytoalexins or phytoanticipins. Chem. Biodiversity in press.

研究室セミナー & 1/15 〜 25 の輪読

1/18 の研究室セミナーの文献紹介の担当は化学生態学研究室修士 1 年生の小暮君で，下記の論文を紹介しました．これで今年度の研究室セミナーは修論発表会と卒論発表会の練習会を残すのみとなりました．

Wan, J. et al. (2018). Involvement of reactive oxygen species and auxin in serotonin-induced inhibition of primary root elongation. J. Plant Physiol. 229: 89–99.

1/15 〜 25 の輪読では下記の論文を取り上げました．

1432. Liu, Q. et al. (2018). NAC transcription factor ONAC066 positively regulates disease resistance by suppressing the ABA signaling pathway in rice. Plant Mol. Biol. 98: 289–302.

1433. Arofatullah, N.A., Hasegawa, M., Tanabata, S., Ogiwara, I., and Sato, T. (2019). Heat shock-induced resistance against Pseudomonas syringae pv. tomato (Okabe) Young et al. via heat shock transcription factors in tomato. Agronomy 9: 2.

1434. Chen, X., Jia, Y., and Wu, B.M. (2019). Evaluation of rice responses to the blast fungus Magnaporthe oryzae at different growth stages. Plant Dis. 103: 132–136.

1435. Wang, Q. et al. (2018). Resistance protein Pit interacts with the GEF OsSPK1 to activate OsRac1 and trigger rice immunity. Proc. Natl. Acad. Sci. USA 115: E11551–E11560.

1436. Callari, R., Meier, Y., Ravasio, D., and Heider, H. (2018). Dynamic control of ERG20 and ERG9 expression for improved casbene production in Saccharomyces cerevisiae. Front. Bioeng. Biotechnol. 6: 160.

1437. Shen, Q., Liu, L., Wang, L., and Wang, Q. (2018). Indole primes plant defense against necrotrophic fungal pathogen infection. PLOS ONE 13: e0207607.

1438. Moon, S.-J. et al. (2018). OsTGA2 confers disease resistance to rice against leaf blight by regulating expression levels of disease related genes via interaction with NH1. PLOS ONE 13: e0206910.

1439. Yamauchi, Y. et al. Sakuranetin downregulates inducible nitric oxide synthase expression by affecting interleukin-1 receptor and CCAAT/enhancer-binding protein β. J. Nat. Med. in press.

 

 

研究室セミナー & 今週の輪読

今週の研究室セミナーの文献紹介の担当は修士 1 年生の隠塚君で，下記の論文を紹介しました．

Ding, Y. et al. (2017). Selinene volatiles are essential precursors for maize defense promoting fungal pathogen resistance. Plant Physiol. 175: 1455–1468.

今週の輪読では下記の論文を取り上げました．

1429. Kurepa, J., Shull, T.E., Karunadasa, S.S., and Smalle, J.A. (2018). Modulation of auxin and cytokinin responses by early steps of the phenylpropanoid pathway. BMC Plant Biol. 18: 278.

1430. Soubeyrand, E. et al. The peroxidative cleavage of kaempferol contributes to the biosynthesis of the benzenoid moiety of ubiquinone in plants. Plant Cell in press.

1431. Kashihara, K. et al. (2019). Overexpression of OsNINJA1 negatively affects a part of OsMYC2-mediated abiotic and biotic responses in rice. J. Plant Physiol. 232: 180–187.